retro_rs/
error.rs

1use std::error::Error;
2use std::fmt::Display;
3#[derive(Debug)]
4pub enum RetroRsError {
5    NoFramebufferError,
6    ImageBufferError,
7    TryFromIntError(std::num::TryFromIntError),
8    RAMCopyDestTooSmallError,
9    RAMCopySrcOutOfBoundsError,
10    RAMMapOutOfRangeError,
11    RAMCopyCrossedRegionError,
12    RAMCopyNotMappedIntoMemoryRegionError,
13}
14impl From<std::num::TryFromIntError> for RetroRsError {
15    fn from(err: std::num::TryFromIntError) -> RetroRsError {
16        RetroRsError::TryFromIntError(err)
17    }
18}
19impl Display for RetroRsError {
20    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
21        match *self {
22            RetroRsError::NoFramebufferError => {
23                write!(f, "This emulator does not have a framebuffer yet.")
24            }
25            RetroRsError::ImageBufferError => write!(f, "Failure in creating image buffer"),
26            RetroRsError::TryFromIntError(ref err) => err.fmt(f),
27            RetroRsError::RAMCopyDestTooSmallError => {
28                write!(f, "Destination for RAM copy too small")
29            }
30            RetroRsError::RAMCopySrcOutOfBoundsError => {
31                write!(f, "Source address range for RAM copy out of bounds")
32            }
33            RetroRsError::RAMMapOutOfRangeError => {
34                write!(f, "Given memory map is not valid for this core")
35            }
36            RetroRsError::RAMCopyCrossedRegionError => {
37                write!(f, "RAM copy crossed over memory region boundaries")
38            }
39            RetroRsError::RAMCopyNotMappedIntoMemoryRegionError => {
40                write!(f, "RAM copy doesn't start within a memory region")
41            }
42        }
43    }
44}
45impl Error for RetroRsError {}
retro_rs/error.rs

retro_rs/
error.rs
